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Fabia.Jiang

Hi all，

    Assuming that I have two values:

    StartDate = fields.Datetime()
    EndDate = fields.Datetime()

   And now I'm supposed to let the"EndDate"not earlier than "StartDate": if it happens,I will receive a warning.

So how to compare these dates become a problem.

   Thanks.           


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Manish Bohra
最佳答案

Hello, 

Try Below code maybe it helps you

@api.multi
def get_two_date_comp(self):
    start_date = self.StartDate.strftime('%Y-%m-%d')
    end_date = self.EndDate.strftime('%Y-%m-%d')
    if start_date > end_date:
        raise ValidationError("Validation message")

Thanks 

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Futurelens
最佳答案

Hello,

You can also try this code

@api.api
def check_dates(self):
    start_date = fields.Date.from_string(self.StartDate)
    end_date = fields.Date.from_string(self.EndDate)
    if start_date > end_date:
        raise ValidationError(_("End Date cannot be set before Start Date."))
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